EN 246:2021

This document specifies:- the dimensional, mechanical, hydraulic and acoustic characteristics with which sanitary tapware aerators (with and without flow regulation) should comply;- the procedures for testing these characteristics.This document is applicable to:- Sanitary tapware aerators intended to be mounted on tapware used with sanitary appliances in toilets, bathrooms and kitchens (e.g. single taps, combination tap assemblies, mechanical mixing valves, thermostatic mixing valves);- Sanitary tapware aerators used under the following pressure and temperature conditions (see Table 1).[Table 1: Conditions for the use of aerators]NOTE 1Sanitary tapware aerators can only be connected downstream of the obturator of the sanitary tapware product.NOTE 2For the purposes of brevity, sanitary tapware aerators will be detailed only as aerators in the rest of this document.NOTE 3The tests described in this document are type tests (laboratory tests) and not quality control tests carried out during manufacture.NOTE 4Aerator swivels are to be tested in combination with a specific aerator only and are therefore considered to be sanitary tapware accessories. (Testing of the stand-alone swivels is therefore not covered by the scope of this document. Where swivels are used they are considered to be part of the tapware constructions, e.g. for bidet taps).